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Description for Bostik 0720
A colorless, translucent hot melt adhesive for use with low and medium temperature glue guns. An extremely versatile adhesive.Chemical Resistance Water, Chemical Resistance: Solvents resistance, Acids & Alkalies, Fats & Oils Application Type Bond 1 Part or 2 Part 1-Part Material Form Stick Substrate Most porous, Many non-porous substrates, Corrugated, Nylon, Plastics, PVC Manufacturer Bostik Chemistry Hot melt: EVA based Cure Method Hot melt Viscosity (cPs) 2,375, 3,475, 5,375, 8,750 Color Colorless, Translucent Other Resistance Water resistance Density (g/cm³) 0.96 (g/cc) @ 77 Key Specifications FDA (U.S. Food & Drug Administration) and/or CFIA (Canadian Food Inspection Agency): FDA regulation 21CFR 175.105 -
Technical Data for Bostik 0720
Overview
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Chemical Resistance
- Chemical Resistance - Water, Acids & Alkalies, Fats & Oils
- Chemical Resistance : Relative Solvent Resistance - Solvents resistance
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Application Type
- Adhesive - Bond
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1 Part or 2 Part
- 1-Part
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Material Form
- Stick
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Substrate
- Porous Substrates - Most porous
- Non-Porous Substrates - Many non-porous substrates
- Plastic - Plastics
- Nylon
- Polyvinyl chloride (PVC) - PVC
- Wood - Corrugated
- Other - Wide variety of substrates, Styrene, EPS, Difficult-to-bond surface, Rough surface
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Industry
- Packaging - Food packaging
- Drug/Pharmaceutical - Food
- Other - Many open and closed-cell foams @ < 300°F
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Chemistry
- Hot melt : EVA (Ethyl Vinyl Acetate) - EVA based
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Application Method
- Dispenser - low and medium temperature glue guns.
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Cure Method
- Hotmelt - Hot melt
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Color
- Clear / Transparent - Colorless, Translucent
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Key Specifications
- FDA (U.S. Food & Drug Administration) and/or CFIA (Canadian Food Inspection Agency) : 175.105 - FDA regulation 21CFR 175.105
Specifications
Cure Specs
Viscosity (cPs) 2,375, 3,475, 5,375, 8,750 Test Method Softening Point (°C) 102 Test Method Open Time (min) 0.17 to 0.50, Medium Bond Strength
Tensile Strength (psi) 350 Test Method Material Resistance
Other Resistance Water resistance Hardness
Elongation (%) 500 Test Method Other Properties
Specific Gravity 0.98 (gms/cc) Density (g/cm³) 0.96 (g/cc) @ 77 Business Information
Shelf Life Details Can be stored 730 days in a clean dry place, in its original package at an average temperature of 25°C or below. Storage temperature should not exeed 40°C. Shelf Life Temperature (°F) 73 -
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Best Practices for Bostik 0720
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Surface Preparation
All surfaces should be clean and free of contaminants. If necessary, clean surfaces with solvent.
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Application
Apply the adhesive to the more difficult-to-bond surface. In general, hard, smooth surfaces are more difficult to bond than rough, porous surfaces.
“Open-time” varies depending on application temperature, amount of adhesive applied, type of substrate and ambient temperature conditions.
Mate the surfaces to be bonded as quickly as possible after adhesive has been applied for optimum bond strength.
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Curing
Use firmest pressure practical for object being bonded. Do not move or adjust surfaces after contact has been made, as inferior bond strength will result.
Typically, a properly formed hot melt adhesive bond will achieve 50% of its strength after 1 minute, 75% after 1 hour, and 100% after 1 day.
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Comparable Materials for Bostik 0720
Spec Engine® Results
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3762LM(3M)Excellent “hot tack”, fast setting • Bonds variety of corrugated packaging, beadboard, recouperage, repacking area • Economical, general purpose • Can bond chipboard and wood
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3764(3M)
Bonds variety of plastics including polycarbonate, polyethylene, and polypropylene • Flexible at low temperatures
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Technomelt 1942(Henkel)EVA-based, medium setting, general purpose adhesive. It exhibits excellent adhesion to wood and many plastics such as; nylon, polycarbonate, PVC, polystyrene, ABS, and acrylic.
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Closest Results from this Manufacturer
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H1865(Bostik)EVA based Hot melt adhesive. Good hot tack and balanced temperature performance.
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EM1000(Bostik)
EVA Based Formulation, Extended open time, water resistant, flexible, low application temperature, excellent adhesion to polyethylene.
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Softening Point Test Methods
| Softening Point | Unit Test Method |
|---|---|
| 102°C | Ring and Ball (Herzog - ASTM E28) |
Viscosity Test Methods
| Viscosity | Test Method | Temperature |
|---|---|---|
| 2,375 cPs | Brookfield - ASTM D3236 | 177°C |
| 3,475 cPs | Brookfield - ASTM D3236 | 163°C |
| 5,375 cPs | Brookfield - ASTM D3236 | 149°C |
| 8,750 cPs | Brookfield - ASTM D3236 | 135°C |
Tensile Strength Test Methods
| Tensile Strength | Cure Time |
|---|---|
| 350 psi | 1,440 min |
Elongation Test Methods
| Elongation | Test Method |
|---|---|
| 500 % | After 24 Hour Cure |
